Find the minimum sales amount for each category in the sales_data table.
CREATE TABLE sales_data (id INTEGER, category VARCHAR, sales_amount INTEGER); INSERT INTO sales_data (id, category, sales_amount) VALUES (1, 'Electronics', 500), (2, 'Electronics', 300), (3, 'Clothing', 200), (4, 'Clothing', 150);
```sql
SELECT category, MIN(sales_amount) AS min_sales_amount
FROM sales_data
GROUP BY category;
```
```sql
SELECT category, MIN(sales_amount) AS min_sales_amount
FROM sales_data
GROUP BY category;
```